Triangle Flash Cards: Addition & Subtraction


Includes 20 double-sided addition & subtraction flash cards, and instructions.  For 2 or more players, grades 1+.

SKU: LA4551 Categories: , ,


Eliminate memory-overload and learn 4 math facts on each side of a card!  Triangle Flash Cards teach families of facts, showing the relationship between addition and subtraction.  How is 4 in one corner relation to 7 and 3 in the other corners?  Cover the sum in red, and practice addition.  Cover addends in black, and practice subtraction.  A total of 20 cards aid in mastery of 160 math facts up to 9+9 and 18-9.  For 2 or more players, grades 1+.


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